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USA weather in September 2023
- 2626°C max day temperature
- 77 days with some rainfall
- 1515°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 8787 mm of monthly rainfall
- 77 (High) UV index
Below are average maximum temperatures at popular destinations in the USA in September. Select a destination to see more weather parameters.
- Las Vegas
- New Orleans
- Grand Canyon
- Los Angeles
- Washington D.C.
- New York City
- San Francisco
- Georgia (USA)
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Rhode Island
- South Carolina
- South Dakota
- Washington State
- West Virginia
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Recommended for the USA
The September weather guide for USA (Washington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in the USA in September?
Daytime temperatures usually reach 26°C in Washington, USA in September with low heat and humidity, falling to 15°C at night.
How sunny is it in the USA in September?
There are normally 7 hours of bright sunshine each day in Washington, USA in September - that's 60% of daylight hours.
Does it rain in the USA in September?
There are usually 7 days with some rain in Washington, USA in September and the average monthly rainfall is 87mm.
What is the chance of a hurricane in the USA in September?
On average less than 1 day in September in Washington, USA is likely to be affected by the passage of one or more tropical storms.
USA September sunrise & sunset times
Browse the sunrise and sunset times for USA in September 2023. Select a month to view USA sunrise and sunset times for the next 12 months. The USA sunrise and sunset times shown below are for Washington.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||05:37||18:39|
|Friday, 15th September 2023||05:49||18:17|
|Saturday, 30th September 2023||06:03||17:53|
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